Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AOKdkbA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7fddec39-ce14-4c1e-942f-4ee1ffd17fa8",
      "cw-4f26b4a7-fc88-415e-bf4d-dc494a779ea1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ec580428-1610-4120-bf9d-395643ca1411",
    "manifestId": "https://dam.iuav.it/iuav/containers/AOKdkbA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4f26b4a7-fc88-415e-bf4d-dc494a779ea1"
  }
}